1930 28 Feb. 299/2 The best yearly record has been reduced to as low as 12,500 B.Th.U. per kw.-h. sent out.
1963 3 June 12/1 The Minister expressed his belief that in 1968–70 30,000m. kWh of a total electricity production of 260,000m. kWh will be produced by France's atomic plants.